Which statements were true of september 11, 2001? select all that apply.

a. it began as a normal day like any other day.
b. president bush headed to florida to visit with some elementary-school children.
c. a hugely significant tragedy occurred that impacted the entire nation.
d. students watched up-to-the- minute accounts of what was going on.

C. A hugely significant tragedy occurred that impacted the entire nation.

Explanation:

The attacks of September 11, 2001 (commonly referred to as 9/11 or with the 11-S or 11S numeronym) were a series of four terrorist attacks committed on the morning of Tuesday, September 11, 2001, by 19 members of the jihadist network Al Qaeda, by hijacking commercial aircraft to be hit against various targets, causing the death of 3,016 people (including the 19 terrorists and the 24 disappeared) and leaving more than 6,000 injured, as well as destruction in New York of all the complex of buildings of the World Trade Center (including the Twin Towers) and serious damage to the Pentagon building (headquarters of the Department of Defense of the United States, in the state of Virginia), episode that would precede the war in Afghanistan and the adoption by the US Government and its allies of the so-called "war against terrorism" policy.